膜杰作
Star Staining
分子别名（Synonym）
IL3R,IL3RA,IL-3Ra,IL-3R-alpha,IL3RAY,IL3RX,IL3RY,CD123 antigen,CD123,hIL3Ra,hIL-3Ra,MGC34174,IL-3 R alpha
表达区间及表达系统（Source）
APC-Labeled Human IL-3 R alpha Protein, His Tag (ILA-HA2H8) is produced via conjugation of APC to Human IL-3 R alpha Protein, His Tag with a new generation site-specific technology under optimal conditions with a proprietary technology. Human IL-3 R alpha Protein, His Tag is expressed from human 293 cells (HEK293). It contains AA Thr 19 - Arg 305 (Accession # P26951-1).
Predicted N-terminus: Thr 19
Request for sequence
蛋白结构（Molecular Characterization）
This protein carries a polyhistidine tag at the C-terminus
The protein has a calculated MW of 36.7 kDa.
偶联（Conjugate）
APC
Excitation Wavelength: 640 nm
Emission Wavelength: 661 nm
应用说明（Application）
Please note that this product is NOT compatible to streptavidin detection system.
制剂（Formulation）
Lyophilized from 0.22 μm filtered solution in PBS, 0.5% BSA, pH7.4 with trehalose as protectant.
Contact us for customized product form or formulation.
重构方法（Reconstitution）
Please see Certificate of Analysis for specific instructions.
For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.
存储（Storage）
For long term storage, the product should be stored at lyophilized state at -20°C or lower.
Please protect from light and avoid repeated freeze-thaw cycles.
This product is stable after storage at:
- -20°C to -70°C for 12 months in lyophilized state;
- -70°C for 3 months under sterile conditions after reconstitution.
活性（Bioactivity）-FACS
5e5 of anti-IL-3 R alpha CAR-293 cells were stained with 100 μL of 1:25 dilution (4 μL stock solution in 100 μL FACS buffer) of APC-Labeled Human IL-3 R alpha Protein, His Tag (Cat. No. ILA-HA2H8) and negative control protein respectively. APC signal was used to evaluate the binding activity (QC tested).
Protocol
背景（Background）
Interleukin 3 receptor alpha (low affinity) (IL3RA), also known as CD123 (Cluster of Differentiation 123) is a 70-kD glycoprotein member of the hematopoietin receptor superfamily. This protein associates with a beta subunit common to the receptors for IL-5 and granulocyte-macrophage colony-stimulating factor (GM-CSF) to form a high-affinity receptor for IL-3. The interleukin-3 receptor α chain (CD123) has been identified as a potential immunotherapeutic target because it is overexpressed in AML compared with normal hematopoietic stem cells.
